ČSN EN 856

Podrobné informácie

Označenie: ČSN EN 856

Dátum vydania: 01.10.2026

Stránok: 20

Krajina: Česká technická norma

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Anotácia

This document specifies requirements for four types of rubber-covered spiral wire reinforced hydraulic hoses and hose assemblies of nominal bore from 6 to 51: Types 4SP, 4SH, R13 and R15. They are suitable for use with:
- hydraulic fluids covered in ISO 6743-4 with the exception of all flame retardant HFD fluids at temperatures ranging from -40 °C to +100 °C for types 4SP and 4SH and -40 °C to +120 °C for types R13 and R15;
- water-based fluids at temperatures ranging from -40 °C to 70 °C;
- water fluids at temperatures ranging from 0 °C to 70 °C.
The hoses are not suitable for use with castor oil based nor ester-based fluids.
This document does not include requirements for end fittings. It is limited to the performance of hoses and hose assemblies